Nonlinear optic properties, structure and phase transitions in ferroic crystals

LIQUID CRYSTALS Experimental Study of Physical Properties and Phase Transitions

This book describes in detail various experimental techniques used in the study of liquid crystals. It will be indispensable for established workers in the field as well as students embarking on liquid crystal research. Each chapter in the book is dedicated to an important experimental technique used in the study and characteri-sation of liquid crystalline systems. Use of these techniques on li...

Phase transitions in liquid crystals

Phase Transitions and Critical Phenomena.phase Transitions in Liquid Crystals

The present text is the transcription of an introductory lecture discussing two phase transitions : nematic-isotropic and smectic A-nematic. The emphasis is on simple qualitative features, including Landau ~heories, coherence lengths and scaling properties.

Phase transitions in nonlinear filtering*

It has been established under very general conditions that the ergodic properties of Markov processes are inherited by their conditional distributions given partial information. While the existing theory provides a rather complete picture of classical filtering models, many infinite-dimensional problems are outside its scope. Far from being a technical issue, the infinite-dimensional setting gi...

Electro-optic and nonlinear optical properties of ion implanted waveguides in organic crystals.

We report on the electro-optic and nonlinear optical properties of waveguides produced by low fluence (Phi = 1.25x10(14) ions/cm(2)) H+ ion implantation in the organic nonlinear optic crystal 4-N,N-dimethylamino-4'-N'-methyl-stilbazolium tosylate (DAST). The profile of the nonlinear optical susceptibility has been determined by measuring the reflected second-harmonic generation efficiency from ...